An update for Drishti is available for download at the google code site. Drishti works on GPUs having OpenGL 2.0 capability. The update includes many newer additions such as unlimited Undo/Redo facility, inbuilt help for various dialogs and panels, modulate color and opacity for one volume based on other volumes, reslicing volume at different orientation, color legends, thickness profile and much more. Drishti allows scientists visualize and explore volumetric datasets.